2126216577445 has 32 divisors (see below), whose sum is σ = 2712802752000. Its totient is φ = 1595241423360.

The previous prime is 2126216577413. The next prime is 2126216577533. The reversal of 2126216577445 is 5447756126212.

It is not a de Polignac number, because 2126216577445 - 2⁵ = 2126216577413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2126216577392 and 2126216577401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11599860 + ... + 11781730.

It is an arithmetic number, because the mean of its divisors is an integer number (84775086000).

Almost surely, 2^{2126216577445} is an apocalyptic number.

It is an amenable number.

2126216577445 is a deficient number, since it is larger than the sum of its proper divisors (586586174555).

2126216577445 is a wasteful number, since it uses less digits than its factorization.

2126216577445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183133.

The product of its digits is 5644800, while the sum is 52.

The spelling of 2126216577445 in words is "two trillion, one hundred twenty-six billion, two hundred sixteen million, five hundred seventy-seven thousand, four hundred forty-five".